Natural light
Endel compensates for the lack (or excess) of light outside by adapting the soundscape's intensity.
Heart rate
Endel adjusts the beat to your real-time heart rate, borrowing it from the Health (Google Fit) app and comparing it with your normal resting HR.
Weather
Endel reacts to the outdoor temperature with variations in sound.
Motion type
Endel alters sound intensity according to the number of steps taken per minute during your walking session.